| 1. | Periodic inspection and evaluation of welded steel gas cylinders
钢质焊接气瓶定期检验与评定 |
| 2. | Every apartment has periodic inspections
每个公寓都有定期的检查。 |
| 3. | Periodic inspection and evaluation of seamless steel gas cylinders
钢质无缝气瓶定期检验与评定 |
| 4. | Periodic inspection on electrical appliances
电器设备的周期性检查 |
| 5. | Periodic inspection and evaluation of dissolved acetylene cylinders
溶解乙炔气瓶定期检验与评定 |
| 6. | Periodic inspection and evaluation of dissolved acety lene cylinders
溶解乙炔气瓶定期检验与评定 |
| 7. | Periodic inspection is conducted free of charge once a month
在质保期内每月免费做一次检查保养。 |
| 8. | Periodic inspection is conducted free of charge once a month
在质保期内每月免费做一次检查保养。 |
| 9. | Technological specifications for periodic inspection station of gas cylinders
气瓶定期检验站技术条件 |
| 10. | Periodic inspection and evaluation of liquefied petro - leum gas cylinders
液化石油气钢瓶定期检验与评定 |
